f02c89b3cb
- Updated purchase order descriptions for clarity on draft and submission processes. - Implemented submit and delete functionalities for draft purchase orders, allowing users to manage their orders more effectively. - Added discount and VAT fields to GRN lines, enabling better cost tracking and reporting. - Enhanced validation for GRN lines to ensure discount and VAT percentages are within acceptable ranges. - Updated API to support new functionalities, including submitting and deleting purchase orders. - Improved UI components for better user experience in managing purchase orders and GRNs. - Documented changes in security and backend phase documentation to reflect new processes and requirements.